Boston時間
14:16:17
日出: 08:12:40 
日落: 15:56:3122:16:17
17:16:17
11:16:17
19:46:17
08:16:17
22:16:17
19:16:17
22:16:17
22:16:17
19:46:17
17:16:17
22:16:17
20:16:17
23:16:17
11:16:17
Boston與主要城市的時差
+7
+7
+7
+6.5
+6
+6
+6
+6
+5.5
+5.5
+5.5
+5.5
+5.5
+5.5
+5.5
+5.5
+5.5
+5.5
+5
+5
+4.5
+4
+3.5
+3
+3
+3
+3
+3
+3
+3
+2
+2
+2
+2
+1
+1
+1
+1
+1
+1
+1
+0
+0
-3
-3
-3
-3
-4
-5
-5
-5
-6
-8